Treatment with liquid of fibers wound upon permeable spools



March 22, 1932. YR. HoFsTAbT ET AL TREATMENT WITH LIQUID OF FIBERS WOUND UPON PERMEABLE SPOOLS Filed May 51, 1928 2 Sheets-Sheet l Myenfons:

,0 WM... E 70 101140444 15M flzfarneys March 22, 1932. 1 R. HCVJFSTADT ET AL 1,350,107

TREATMENT W ITH LIQUID OF FIBERS WOUND UPON PERMEABLE SPOOLS Filed May 31. 1928 2 Sheets-Sheet 2 MM see,

m TM 5M Patented Mar. 22, 1932 UNITED STATES PATENT OFFICE RICHARD HOFS'IAIDT, OF WOLFEN, AND WILHELM ELLER, OF DESSAU, GERMANY, AS- SIGNORS TO I. G. FARIBENINDUSTRIE AKTIENGESELLSCHAFT, OF FRANKFORT-ON- THE-MAIN, GERMANY, A. CORPORATION OF GERMANY TREATMENT WITH LIQUID OF FIBERS WOUND UPON PERMEABLE SPOOLS Application filed May 31, 1928, Serial No. 281,963, and in Germany l'uly 25, 1927.

- The present invention relates to an apparatus for treating artificial fibers with liquids and particularly to an apparatusin which artificial silk wound on permeable spools is 5 treated with liquids by pressure .or suction. Artificialsilk wound on permeable spools has been washed or after-treated by forcing or sucking liquid through the spools, the ends of the latter being closed by covers fixed by wing nuts (compare French Patents Nos. 527,720 and 547,834i). In later apparatus it has been tried to simplify this troublesome arrangement. Thus Swiss Patent No. 115,282 provides stoppers for fitting tightly into the spools. In another device, the spools are threaded upon a perforated tube, on which they are held tightly by conical intermediate pieces or bottom plates and covers between which they are held by meansof a wing nut.

All these devices have the disadvantage that mounting the spools (each ofwhich may have to be handled separately) consumes costly labour and is a comparatively slow operation. Moreover, the apparatus required is expensiveand the quality of the silk is not improved. Devices having screwing arrangements have special disadvantages which are obvious.

The present invention stitutin mechanical mounting and dismounting of 51c spools to the exclusion of manual operation.

The invention will be explained with reference to the accompanying drawings, in which Fig. 1 is a perspective view of a cover plate for a number-of spools or of an intermediate carrying plate;

Fig. 2 is a longitudinal section of Fig. l;

Fig. 3 is a vertical section drawn to an enlarged scale through a portion of a cover plate, and Fig. 4 is alike section through portion of an intermediate plate;

Fig. 5 is a vertical section throu h a washing box packed with spools, and ig. 6 is a like view of a modification of the box.

The cover or intermediate plate A, consisting for example of iron covered with rubber,

\ has a number of perforations B, B B corgreatly simplifiesthe treatment of the silk on spools, by subresponding withthe number of spools to be accommodated and spaced at the required distance apart. These perforations are to receive with some play, particularly in the vertical direction, the intermediate pieces or cover pieces which make a tight joint with or close, respectively, the ends of the spools. The plate is recessed at the edges and in some cases also perforated in the parts between the aforesaid perforation, in order that the washing liquids may have unhindered access to the spools; further the plate is shaped at its corners to form guides C (or mountin and dismounting) and has shoulders at D, 1 to facilitate engagement with the grippers of a crane crab to lift it horizontally out of the container. In this case these spools can remain 011 the plates and be put in another container ,tor a further treatment; finally, distance pieces E are provided for protecting theplate from those above and below it when several plates are piled one upon the other. he spools are to be carried between pairs of these plates, for which purpose the cover plate A carries in the perforations B, B B cover pieces (see Figure 3) which are to close the upper ends of the to layer of spools, while the intermediate plates A (Fig. 4)

carry in the perforations intermediate pieces (see F igure 4) which are perforated for passage of liquid and serve to close the lower ends of the spools above them and the upper ends of the spools below them. The kind,

form and material of these inserted pieces may obviously be widely varied, provided that the pieces have a certain vertical play for compensating any difference which there may be between the heights of the spools and v of the intermediate pieces.

In Fig. 3 F is a porcelain cover piece made tight with the spool by means of a rubber -ring G and prevented from falling through the perforationB by means of a rubber ring H whichpermits-vertical play as indicated at K. When all the spools are in place the plate A rests on the flange J of the cover. An analogous construction of an intermediate iece 1s shown in Fig. 4, the parts being F H J K respectively. A plate A is charged with spools, for instance by being placed on the spoolsin a frame'in which they are arranged in precisely the same manner as the perforations in the plate; the frame and the plate are then turned through an angle of 180 and the frame removed. 4 The plate thus charged is then lifted by a crane crab and lowered into the box L (Fig. 5). A second charged plate follows and so on, until there is thus formed a structure of columns of spools which are stifl'ened by the carrying plates, the spools being tightly closed by their weight and by that of the cover A which is applied to the topmost layer, although further pressure may be applied by means of lever devices M. It will be understood that in the container L the false bottom need only be perforated correspondingly with the lowest carrying plate in order that it may receive the whole structure; indeed, this false bottom may be omitted and there may be substituted, as shown in Fig. 6, an internal rib O with a tightening washer for supporting the lowest carrying plate, which should be correspondingly strengthened.

What I claim is i 1. In an apparatus for treating with liquids artificial fibers wound on permeable hollow spools, in operative combination, a container, a plurality of removable intermediate horizontal plates therein spaced at a substantial distance from one another and provided with uniformly spaced perforations, annular members loosely carried in said perforations and adapted to engage the adjacent ends of the spools immediately above and below said annular members, a removable cover plate provided with perforations corresponding to the perforations in said intermediate plates, and cover members loosely carried in said perforations in the cover plate and adapted to close the upper ends of the uppermost set of spools.

2. In an apparatus for treating with liguids artificial fibers wound on permeab e hollow spools, in operative combination, a' container, a plurality of removable intermediate horizontal plates therein spaced at a substantial distance from one another and provided with uniformly spaced perforations and with means for engaging a lifting device annular members loosely carried in said perforations and adapted to engage the adjacent ends of the spools immediately above and below said annular members a removable cover plate provided with perforations corresponding to the perforations in said in-.

termediate plates, and cover members loosely carried in said perforations in the cover plate and adapted to close the upper ends of the uppermost set of spools.

3. In an apparatus for treating with liquids artificial fibers wound on permeable hollow spools, in operative combination, a container, a plurality of removable intermediate horizontal plates therein spaced at a substantial distance from one another and provided with uniformly spaced perforations I and with means for engaging a lifting device, annular members loosely carried in said perforations and adapted to engage the adjacent ends of the spools immediately above and below said annular members, a removable cover plate provided with perforations corresponding to the perforations in said intermediate plates, cover members loosely carried in said perforations in the cover plate and adapted to close the upper ends of the uppermost set of spools and means for securing the cover plate tightly to the container and the cover members tightly to the spools.

4:. In'an apparatus as set forth in claim 1, a false bottom spaced at a substantial distance from the bottom of the container and provided with perforations adapted to carry the same sort of annular members as the intermediate plates, permitting circulation of the treating liquid from the bottom of the 

